Dur 



126 



Durban (Natal), section in R. Umgeni, 

 N. of, xxvii. 59 ; do. to Rooi Kop, xxvii. 

 59 ; do. to Mt. aux Sources, Drakensberg, 

 xxvii. pi. ii. 



Durdham Down (Somerset), section in 

 Dolom. Conglom. nr., xxvi. 182 ; do. fr. 

 Reptilian quarry to Bristol city, xxvi. 

 188 ; do. at edge of, xxxvii. 70 ; do. of 

 Thecodontosaurus-bed, xxxvii. 73 ; geol. 

 age of conglom., xxxvii. 67. 



Durdle Cove (Dorset), Cbalk, etc. at, xxvii. 

 95 fig. 



Durham, J., Vole. Rocks of N.E. Fife, 

 xlii. 418-425 w. map & section. 



Durbam (Connecticut), fisbes from red 

 sandst. of, iii. 277. 



Durbam (England), sands below Boulder 

 Clay nr., xiv. 173 ; Coal Measures of, 

 Lingida Credneri in, xvi. 412-414 ; 

 comp. of Perm. w. that of S. Yorks, xvii. 

 296, 316; do. w. that of N.W. England, 

 xx. 163 ; gen. section of do., xx. 347, 

 xxxiii. 23 & pi. i. ; fisbes & plants fr. 

 Upper Magn. Limest. of, xx. 345-358 & 

 pi. xviii. ; salt-district of, xliv. 761-782 

 w. map, vert, sections, & chem. anal. ; 

 Perm. & Trias of, synopsis, xliv. 767. 



Durine (Sutherland) Limest., xvii. 86 ; 

 section of district, xvii. 87. 



Durleston Bay (Dorset), insect-remains 

 fr., x. 385, 387 & pi. xiv.; Purbeck 

 reptilia & mammalia fr., x. 420-433 

 figs., xi. 123; section descr., x. 478; 

 Plagiaulax fr., xiii. 261-282 figs. ; lists 

 of Purb. ostracoda fr., xli. 321, 323, 325. 



Durness (Sutherland), section to Eriboll, 

 xiii. 23 ; do. across D. Basin, xv. 364 ; 

 do. in quartz-rock E. of, xv. 371 ; vert, 

 do. of Silur. at, xliv. 404 ; geol. of, 

 xvi. 327 ; Nicol's views discussed, xvii. 

 230; D. & Assynt, limest. of, xiii. 26, 

 xv. 369, 581, xxxvii. 239-245 w. map & 

 sections ; foss. of same, xiii. 32, xiv. 502, 

 xv. 374 & pi. xiii. ; Amer. facies of same, 

 xv. 381 ; granite of, xxxix. 409. 



Durness Series in Dundonnell Forest, etc., 

 xlviii. 232. 



Durocher, J., *Relat. betw. Mineral 

 Char, of diff. Format. & their Vegetable 

 Prod., v. (Part 2) 35-38. 



Diirrenstein (S. Tyrol), sections & map, 

 xlix. 32 et seqq. ; Werfen Beds, etc., of, 

 xlix. 69. 



Durslev Cross (Worcester), section nr., 

 ix. 219. 



Dusky Sound (N.Z.), hornbl.-biotite rock 

 fr., xliv. 745-746. 



Dust, infusorial, fallg. on vessels in Atlantic, 

 ii. 26-30, iii. p. Iii ; volcanic, fallen in 

 Orkney Is., iii. p. 1, *(Part 2) 10-15 ; 

 fallen at Genoa, iii. (Part 2) 25; (of 

 snowdrift-deposits), orig. & transp. of, 

 1.477. 



Duston (Northants), section to Dallington, 

 xxvi. 368 ; Oolites nr., xxvi. 369. 



Duvernoy, — , *Foss. Spp. of Rhinoceros, 

 x. (Part 2) 28. 



Dwindling & disapp. of limest., xlix. 372- 

 384 & pi. xviii. 



Dwyka Conglomerate, lithol. descr. of, 

 xliv. 241 ; its stratigr. posit., method of 

 format., etc., xliv. 258, 259 et seqq. ; 

 D. C. in S.E. Africa, 1. 554, 559. 



Dwyrhos (Caernarvon), spheroidal diabase 

 at, xlix. 149, 154. 



Dyas, true significance of name, xl. 389. 



Dyce Quany (Aberdeen), inclus. in granite 

 of, xxxvi. 12. 



Dyfi Valley, see Dovey Valley. 



Dvkes, J. W., Increase of Land on Coro- 

 mandel Coast, xvii. 553. 



Dykes in I. of Man, ii. 323 et seqq., xlvii. 

 433 et seqq. ; basaltic, in Ghats nr. 

 Bombay, iii. 222, 223 ; do. opposite 

 Bombay & Salsette Is., xxv. 163-168 ; nr. 

 Gungatburee, iii. 227 ; claystone-d. in E. 

 Lammermuirs, vi. 420 ; do. in Cawsand 

 Bay, x. 364. 



Dykes, ' trap-d.' in Skye, xiv. 15 & pi. i. ; 

 d. on Etna, xv. 120 et seqq. figs. ; in 

 Lesmabagow district, xvi. 314. 



Dykes, felstone, in Vale of St. John, xxv. 

 436 ; d. & veins in I. of Eigg, xxvii. 

 298 ; age of d. in Queensland, xxviii. 311 ; 

 d. & their conn. w. tin-ore deposits, 

 xxix. 6, 11 ; in Minglay (Hebrides), xxix. 

 546. 



Dykes in Sinaitic Peninsula, xxxi. 20; 

 intrus. in Cambr., & their effect on 

 phosphate-content of sediment, rocks, 

 xxxi. 373 et seqq. ; vole, mechanism of 

 prod., xxxii. 472-495 figs. ; do. in 

 Madeira, xxxviii. 277 ; of Sheet Hedges, 

 Bradgate Park, & Mt. Sorrel, etc., xxxiv. 

 221 et seqq. ; basaltic, on Ayr coast, 

 xxxiv. 782 ; mica-trap, of Kendal-Sed- 

 bergb districts, xxxv. 165-180 w. chem. 

 anal. ; do. in Kemnay granite-quarry, 

 xxxvi. 12 ; diabase, in St. Davids district, 

 xxxix. 323 ; felsitic, ibid., xlvi. 260 w. 

 chem. anal. ; d. in N. England, petrol, 

 of, xl. 209-247 & pis. xii.-xiii.; in 

 Channel Is., xl. 416, xliii. 332, xiv. 383, 

 384, xlviii. 139. 



Dykes, dioritic, of Lydenburg & De Kaap 

 goldfields, xli. 588; of altered basalt, 

 nr. Newport-Fife, xlii. 419 ; basic of 

 Scotland, age of, xiv. 209 ; insuff. of 

 same as a source of plateau-basalts, xiv. 

 210; do. in Archaean of N.W. High- 

 lands, xliv. 390, xlvii. Proc. 70, 71 ; 

 effects of pre-Cambr. movent, on same, 

 xliv. 391 ; ground-plan, sbowg. deflect. 

 & disrupt, by vert, thrust-planes, xliv. 

 394 ; doleritic, of Sarn district, xliv. 460 ; 

 format, resultg. fr. horiz. rock-movem., 

 xliv. 787 et seqq. ; dioritic, granitic, & 

 basic, of Lizard, xiv. 533 et seqq., 539 et 

 seqq., xlvii. 492, xlix. 204 ; basic, in rocks & 

 reefs off same, xliv. 309 et seqq. ; diabase, 

 etc. fr. Mt. Genevre, xlvi. 306 ; phono- 

 lite, etc. in Tingua massif, xlvii. 265 et 

 seqq. ; d. & sills nr. Shap Granite & their 

 relat. to same, xlvii. 285 w. sketch- 



